#position1 {
	width: 100px;
	height: 100px;
	background-color: pink;
	position: relative;
	z-index: 1;
}

#position2 {
	width: 100px;
	height: 100px;
	background-color: red;
	position: relative;
	bottom: 30px;
	z-index: 2;
}